package tree;

public class TreeTest {

    public static void main(String[] args) {
        BinaryTree<Integer,String> bt=new BinaryTree<Integer, String>();
        bt.put(4,"si");
        bt.put(5,"wu");
        bt.put(3,"san");
        bt.put(2,"er");
        bt.put(1,"yi");
        System.out.println(bt.size());
        bt.put(6,"liu");
        System.out.println(bt.size());
        System.out.println(bt.get(3));

    }
}
